相似主題
英文關鍵字
blue
macro
box
closeup
silver
detail
environment
energy
black
cable
current
electric
electrical
electricity
plastic
power
supply
tech
technology
volt
voltage
full
cell
display
electronic
electronics
monitor
tool
part
pole
environmental
waste
alternative
positive
battery
four
charger
charge
discharge
accumulator
of
plus
user
save
AA
rechargeable
recharge
an
accu
nimh